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说明：  这是一个信赖域方法的程序，简单实用，对初学者非常有用。(This is a trust region method procedures, simple, practical, very useful for beginners. )

文章的代码主要讲述椭圆型方程五点差分格式。用MATLAB软件来实现，大大提高了算法的精确度。(The code article focuses on five difference scheme for elliptic equations are considered. Use MATLAB software to realize, greatly improve the precision of the algorithm.)

阵列信号处理，自适应波束形成，Capon算法(array signal processing，adaptive beam forming，Capon)

自适应时频频分析方法，具有界面操作，参数选择等功能，可以自由调入信号获得相应的自适应视频分析方法结果。(Adaptive time frequency analysis method,It can be used to give TFR of signal.)

给定地理坐标（经度、纬度），求出一年中每一天的太阳高度角和方位角(Given geographic coordinates (latitude and longitude), each day of the year, the sun s elevation angle and azimuth angle)

很清晰的二项分布 matlab 代码,有助于理解寿命分布(Binomial distribution is very clear matlab code to help understand the life distribution)

sparse algorithm to solve l1 optimization

说明：  复杂网络中基本网络模型的matlab实现BA算法(Complex network to achieve the basic network model of the BA algorithm matlab)

基于小波变换的图像增强方法，MATLAB实现，个人测试效果不错，供参考。(image enhancement method based wavelet.)

标准多目标粒子群算法用于PID控制，可输出最优3K参数(Standard multi-objective particle swarm optimization algorithm for PID control, which can output optimal 3K parameters)